diff --git a/CoreFoundation/String.subproj/CFAttributedString.c b/CoreFoundation/String.subproj/CFAttributedString.c
index cc33885d7e..a1e52e9b92 100644
--- a/CoreFoundation/String.subproj/CFAttributedString.c
+++ b/CoreFoundation/String.subproj/CFAttributedString.c
@@ -23,6 +23,10 @@
 @end
 #endif
 
+#if defined(__linux__)
+#pragma clang optimize off
+#endif
+
 struct __CFAttributedString {
     CFRuntimeBase base;
     CFStringRef string;